123150872 has 16 divisors (see below), whose sum is σ = 248670240. Its totient is φ = 56838816.

The previous prime is 123150871. The next prime is 123150883. The reversal of 123150872 is 278051321.

It is a super-2 number, since 2×123150872² = 30332274548720768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123150871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591968 + ... + 592175.

It is an arithmetic number, because the mean of its divisors is an integer number (15541890).

Almost surely, 2^123150872 is an apocalyptic number.

It is an amenable number.

123150872 is an abundant number, since it is smaller than the sum of its proper divisors (125519368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123150872 is a wasteful number, since it uses less digits than its factorization.

123150872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184162 (or 1184158 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 123150872 is about 11097.3362569582. The cubic root of 123150872 is about 497.5222376700.

The spelling of 123150872 in words is "one hundred twenty-three million, one hundred fifty thousand, eight hundred seventy-two".